Provided is a catheter capable of reliably receiving a retrograde guide wire through a mesh opening.A catheter 1 according to an embodiment of the present invention includes a mesh member 110 having a tubular shape and radially expandable and contractable, the mesh member being configured such that a first twisted wire 111 including a plurality of wires is braided with a second twisted wire 112 including a plurality of wires, a first hollow shaft 120, and a front end tip 130, in which part of the plurality of wires of the first twisted wire 111 is joined to part of the plurality of wires of the second twisted wire 112 in part of crossover portions 110a between the first twisted wire 111 and the second twisted wire 112.